Which sand is used for casting cast irons and non-ferrous metals?
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Natural sands are economical than synthetic sands.
What is the amount of clay content in Loam sand?
Which sand is used for making ferrous and non-ferrous alloys?
A general loam sand mixture contains how many volumes of silica?
Round grain has higher permeability than angular grains.
On increasing the binder content, what in the moulding sand gets reduced?
Which of the following is bentonite?
Which of the following is not a clay binder?
Clays are what type of binders?
At what temperature does the clay dead burning take place?
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